Seiko Cal. 5635 - 420

This Quartz model from 1967 features a 40mm Hardlex-Coated Steel case. It features a Cream dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-e03bd97939b7]

Also known as: World Timer, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1967

Related Models

• Seiko 0746-105
• Seiko 4569-597
• Seiko 3856-457
• Seiko 5298-835
• Seiko 4527-674
• Seiko 6176-352
• Seiko 6221-422
• Seiko 4449-184
• Seiko 7061-897
• Seiko 4499-798
• Seiko 5665-819
• Seiko 6395-351